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Home › Pontiac › 2009 › G5 Base, Automatic › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Catalytic Converter Replacement (LAP) › Installation Procedure

Installation Procedure

    Fig 1: Identifying Catalytic Converter
    GM1650780Courtesy of GENERAL MOTORS CORP.
  1. Remove the catalytic converter to exhaust manifold nuts.
  2. Remove the catalytic converter.
  3. Discard the exhaust gaskets.
  4. Clean the flange mating surfaces of any remaining gasket material.
    5. Fig 2: Identifying Catalytic Converter & Muffler Pipe
    GM1650810Courtesy of GENERAL MOTORS CORP.
  5. Install a NEW gasket onto the resonator pipe studs.
    6. CAUTION: Refer to Fastener Caution .
  6. Install the catalytic converter to the resonator pipe nuts and tighten to 30 N.m (22 lb ft).
  7. Install the (HO2S). Refer to Heated Oxygen Sensor Replacement - Sensor 2 .
  8. Install the wheel drive shaft heat shield. Refer to Wheel Drive Shaft Heat Shield Replacement .
  9. Inspect the exhaust system for leaks.
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